Locate A Missing Person

North American Private Investigators

We are a licensed and bonded private investigator firm that has been conducting professional investigations and surveillance worldwide for over 45 years. We have the private detectives, resources, and knowledge you need for any one of our personalized services. NAI has set the standard in the industry with our proven methods and results. Our private investigators have the credentials and expertise needed, having solved thousands of cases for our clients. We will gather the evidence needed to solve your case. With thousands of satisfied clients, we are the private eyes to count on for help.

Why We Are Better

North American Investigations has the best private investigators in New York City, America, and around the world. Being one of the oldest and largest firms in the nation, we have been conducting investigations and solving cases for over 45 years across the United States. We have locations on Long Island, in New York City, in New Jersey, in Connecticut, and in Los Angeles and others stationed internationally.

Read Our Private Investigation Reviews

Growing up I had never met my father. But over the last couple of years I really had a burning desire to find my father. After multiple unsuccessful attempts to look for him myself, I asked Darren and his team if they were able to find Read more “Found my father! THANK YOU”

Michael Choi

Thorough, Precise, and Detailed I am an attorney and have utilized the services of North American Investigations since 1992 in a myriad of different types of cases ranging from divorce to locating missing persons, to interviewing witnesses to accidents, etc. I have found their work Read more “Thorough, Precise, and Detailed”

Ed waldman, Esq.

I am an intellectual property lawyer specializing in franchise and trademark matters. I have been using North American Investigators exclusively for over eight years in trademark infringement cases, and the investigators there have consistently delivered the evidence I needed to win at trial. More importantly, Read more “NAI Consistently Delivers”

Jeffrey Zucker

I highly recommend NAI for investigating a situation that you need to have done. Darrin explained the entire process in a very professional manner. This made me feel confident that his investigators would do a good job. The second day of surveillance, the investigator was Read more “I highly recommend NAI”

Audrey O.

It was excellent to work with Darrin and his team of professionals. They make sure that the client feels comfortable to share very sensitive information in order to develop the case. Very thorough and to the point. The communication between him and myself was very Read more “Excellent work”

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North American Private Investigators

We are a licensed and bonded private investigator firm that has been conducting professional investigations and surveillance worldwide for over 45 years. We have the private detectives, resources, and knowledge you need for any one of our personalized services. NAI has set the standard in the industry with our proven methods and results. Our private investigators have the credentials and expertise needed, having solved thousands of cases for our clients. We will gather the evidence needed to solve your case. With thousands of satisfied clients, we are the private eyes to count on for help.

Locate A Missing Person

Read Our Private Investigation Reviews

9.5 of 10 star feedback at TrustPilot (58 Reviews)

Growing up I had never met my father. But over the last couple of years I really had a burning desire to find my father. After multiple unsuccessful attempts to look for him myself, I asked Darren and his team if they were able to find Read more “Found my father! THANK YOU”

Michael Choi

Thorough, Precise, and Detailed I am an attorney and have utilized the services of North American Investigations since 1992 in a myriad of different types of cases ranging from divorce to locating missing persons, to interviewing witnesses to accidents, etc. I have found their work Read more “Thorough, Precise, and Detailed”

Ed waldman, Esq.

I am an intellectual property lawyer specializing in franchise and trademark matters. I have been using North American Investigators exclusively for over eight years in trademark infringement cases, and the investigators there have consistently delivered the evidence I needed to win at trial. More importantly, Read more “NAI Consistently Delivers”

Jeffrey Zucker

I highly recommend NAI for investigating a situation that you need to have done. Darrin explained the entire process in a very professional manner. This made me feel confident that his investigators would do a good job. The second day of surveillance, the investigator was Read more “I highly recommend NAI”

Audrey O.

It was excellent to work with Darrin and his team of professionals. They make sure that the client feels comfortable to share very sensitive information in order to develop the case. Very thorough and to the point. The communication between him and myself was very Read more “Excellent work”

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Why We Are Better

North American Investigations has the best private investigators in New York City, America, and around the world. Being one of the oldest and largest firms in the nation, we have been conducting investigations andsolving cases for over 45 yearsacross the United States. We have locations on Long Island, in New York City, in New Jersey, in Connecticut, and in Los Angeles and others stationed internationally.